Vascular surgery is a surgical specialty focused on treating diseases of your arteries, veins, and lymphatic system. It covers the entire circulatory network except the heart and brain, which have their own dedicated specialists (cardiac surgeons and neurosurgeons, respectively). Vascular surgeons use a mix of medication management, minimally invasive catheter-based procedures, and traditional open surgery to restore blood flow and prevent complications like organ damage, limb loss, and stroke.
What Vascular Surgeons Treat
The specialty covers a surprisingly broad range of problems, all connected by a common thread: something has gone wrong with how blood moves through your body. Atherosclerosis, the buildup of fatty plaque inside artery walls, is the most common condition vascular surgeons manage. It’s the underlying cause of several more specific diagnoses, including peripheral artery disease (narrowed leg arteries), carotid artery disease (blockages in the neck arteries that supply the brain), and mesenteric ischemia (reduced blood flow to the intestines).
Aortic aneurysms are another major part of the workload. These are bulges in the wall of the aorta, your body’s largest artery, that can rupture if they grow too large. Vascular surgeons monitor small aneurysms over time and repair dangerous ones before they become emergencies.
On the venous side, the specialty handles chronic venous insufficiency (damaged valves in leg veins that cause swelling and skin changes), deep vein thrombosis (blood clots, often in the legs), varicose veins, and compression syndromes like May-Thurner syndrome, where a vein in the pelvis gets pinched by a nearby artery. Vascular surgeons also create and maintain dialysis access for people with kidney failure, and they treat diabetes-related foot ulcers, a condition that can lead to amputation without proper blood flow restoration.
Why the Specialty Matters
Peripheral artery disease alone affected an estimated 113 million people worldwide in 2021, and that number is projected to reach 360 million by 2050. Among adults over 60, PAD prevalence is expected to nearly double, rising from 8% to over 15% in that same timeframe. The stakes are high: PAD carries a five-year mortality rate of at least 30%, largely because it often coexists with cardiovascular and cerebrovascular disease. In the U.S., PAD-related hospitalizations cost $6.31 billion annually. As populations age globally, the demand for vascular care is growing fast.
How Vascular Problems Are Diagnosed
Diagnosis typically starts with noninvasive tests. Duplex ultrasound, which combines standard ultrasound with Doppler technology to visualize blood flow, is one of the most commonly used tools. If more detail is needed, CT angiography provides detailed cross-sectional images of blood vessels and is a workhorse of vascular imaging.
For certain situations, more specialized tools come into play. MR angiography (using MRI instead of X-rays) is particularly useful for imaging small vessels in the lower legs and can detect open vessels that other methods miss. During procedures, vascular surgeons sometimes use intravascular ultrasound, a tiny probe inserted directly into a blood vessel to get real-time images from the inside. This is now standard when treating aortic dissections and venous conditions. Traditional X-ray angiography, where contrast dye is injected and vessels are filmed in real time, is still considered the gold standard for accuracy but is invasive and exposes patients to radiation, so it’s typically reserved for use during interventions rather than initial diagnosis.
Open Surgery vs. Endovascular Procedures
Vascular surgeons perform two broad categories of procedures: open surgery and endovascular (catheter-based) interventions. Understanding the tradeoffs between them is central to how vascular surgeons make treatment decisions.
Open surgery involves making an incision to directly access the diseased vessel. A surgeon might remove plaque from inside a blocked artery, sew in a graft to bypass a blockage, or cut out a damaged section of the aorta and replace it. These operations are more physically demanding on the body but tend to produce more durable, longer-lasting repairs. For carotid artery disease, open plaque removal (endarterectomy) remains the gold standard. Open bypass is also the benchmark for treating blockages in the arteries that supply the legs.
Endovascular procedures work from inside the blood vessel. A catheter is threaded in through a small puncture, usually in the groin, and guided to the problem area using imaging. From there, the surgeon can inflate a balloon to widen a narrowed artery, place a stent to hold it open, or deploy a fabric-lined stent graft to seal off an aneurysm from the inside. These procedures are less stressful on the body and tend to have shorter recovery times with fewer immediate complications.
The tradeoff is durability. Endovascular repairs are more likely to need follow-up procedures down the line. After endovascular aneurysm repair, for instance, patients require routine imaging surveillance for the rest of their lives to check for problems like endoleaks, where blood finds its way around the repair. Open repairs generally don’t require this ongoing monitoring. Because of this, younger and healthier patients may benefit from the upfront investment of open surgery, while older patients or those with other serious health conditions are often better served by the less invasive endovascular approach.
What Recovery Looks Like
Recovery times vary dramatically depending on the type of procedure. Many endovascular interventions on the arms or legs, along with dialysis access procedures, are done on an outpatient basis. Patients often feel well the same day and are typically asked to avoid strenuous activity for about a week.
Endovascular aneurysm repairs and carotid stenting usually require an overnight hospital stay. Open carotid endarterectomy also requires an overnight stay in most cases. The longest recoveries come with open aortic aneurysm repair and open bypass surgery for leg artery disease, which typically involve a hospital stay of two to seven days followed by a more extended period of healing at home.
How Vascular Surgeons Are Trained
Vascular surgery requires extensive training beyond medical school, and there are two pathways to get there. The traditional route is a five-year general surgery residency followed by a two-year vascular surgery fellowship, resulting in board certification in both general and vascular surgery. The newer integrated pathway is a dedicated five-year program that combines core surgical training with vascular specialization from the start, leading to certification in vascular surgery only. Either way, the minimum is five years of post-medical school surgical training.
Vascular Surgeons vs. Cardiologists
People sometimes confuse vascular surgeons with cardiologists, since both deal with blood flow. The distinction is straightforward: cardiologists, including interventional cardiologists, focus on the heart itself, diagnosing and treating conditions using procedures performed in cardiac catheterization labs like angiography and coronary stenting. Vascular surgeons treat the arteries and veins outside the heart. There is some procedural overlap in shared territory like the carotid arteries, but the training backgrounds and primary focus areas are distinct. If your problem involves the blood vessels in your legs, abdomen, neck, or arms, a vascular surgeon is the relevant specialist.